THE IMPORTANCE OF SOIL
What's the difference between soil and dirt? wrong place - dirt
  T he importance of soil Life, civilization  depend on planet's  soil and  water resources
  Shortages cause: Conflicts Migration
  Future    Soil will become even more crucial   World population doubles every 40 years only 7 percent of earth's surface is suitable for agriculture
  Soil is non-renewable resource   T hin, fragile layer of life-supporting material  Supplies plants, animals with all resources they need
Soil health Capacity of soil to sustain plant and animal growth Capacity of soil to maintain air and water quality  
    Soil degradation   United Nations report, 2001:  1.75 billion tons of crop soil lost worldwide to erosion
  Reasons for soil degradation Erosion Pollution Desertification  Changes in soil chemistry Increases in salt levels Loss of organic matter
  We must take it upon ourselves to practice good soil management and protect our soils.  
How much soil is there? How Much Soil Is There?

Soil, importance

  • 1.
  • 2.
    What's the differencebetween soil and dirt? wrong place - dirt
  • 3.
      T heimportance of soil Life, civilization depend on planet's soil and water resources
  • 4.
      Shortages cause:Conflicts Migration
  • 5.
    Future   Soil will become even more crucial   World population doubles every 40 years only 7 percent of earth's surface is suitable for agriculture
  • 6.
    Soilis non-renewable resource T hin, fragile layer of life-supporting material Supplies plants, animals with all resources they need
  • 7.
    Soil health Capacityof soil to sustain plant and animal growth Capacity of soil to maintain air and water quality  
  • 8.
      Soil degradation United Nations report, 2001: 1.75 billion tons of crop soil lost worldwide to erosion
  • 9.
      Reasons forsoil degradation Erosion Pollution Desertification Changes in soil chemistry Increases in salt levels Loss of organic matter
  • 10.
      We musttake it upon ourselves to practice good soil management and protect our soils.  
  • 11.
    How much soilis there? How Much Soil Is There?